Confused about the sub-modules

[Edward Z. Yang]

Not any more. The commit just has to exist in the remote repo (that's
what the lint checks.)

Excerpts from Alan & Kim Zimmerman's message of 2016-12-21 09:20:15 +0200:
> For the utils/haddock submodule there is a ghc-head branch, and the commit
> should be on that before pushing to GHC master with a submodule update.
> 
> I do not know if that convention is followed on any of the other libraries.
> 
> Alan
> 
> On Wed, Dec 21, 2016 at 8:48 AM, Edward Z. Yang <ezyang at mit.edu> wrote:
> 
> > Once the commit is upstream, I just checkout a newer commit from
> > master and then commit it as a submodule update. Maybe it's
> > wrong but no one has ever told me otherwise.  Around release
> > time the release manager makes sure all the libraries correspond to
> > actual releases.
> >
> > Edward
> >
> > Excerpts from Erik de Castro Lopo's message of 2016-12-21 17:33:36 +1100:
> > > Hi all,
> > >
> > > I'm a bit confused about how the GHC dev tree handles submodules like
> > > libraries/Cabal, libraries/process, libraries/directory and
> > > libraries/containers.
> > >
> > > All of these libraries/submodules seem to have their own github projects
> > > where people can submit PRs, but once the commits have been made there,
> > > what is the process to get submodules updated in the GHC tree?
> > >
> > > Any light people can shed on this process would be appreciated.
> > >
> > > Erik
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> >